* { font-family: 'Poppins', sans-serif; }

body { 
  display: flex; 
  flex-direction: column; 
  min-height: 100vh; 
}

h1, h2, h3, h4, h5, h6, .navbar-brand { 
  font-weight: 800; 
  letter-spacing: -0.5px;
}

.logo-img { 
  height: 40px; 
  width: auto; 
  border-radius: 8px; 
  object-fit: contain;
}

.header-logo { 
  max-width: 150px; 
  height: auto; 
  border-radius: 12px; 
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.card-img-top { 
  object-fit: contain; 
  height: 200px;
  width: 100%;
  padding: 10px;
  background: #fff;
}

@media (max-width: 576px) { 
  .card-img-top { height: 160px; padding: 8px; } 
  .header-logo { max-width: 120px; }
}

.btn-buy { 
  border: none; 
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.btn-buy:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.3);
  filter: brightness(1.1);
}

.navbar-brand { 
  font-weight: 800; 
  font-size: 1.5rem;
}

.badge { 
  font-size: .8rem; 
  font-weight: 700;
}

.card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.lead {
  font-weight: 600;
}